Stockholders' Equity (Schedule of Reconciliation of Numerators and Denominators of Basic and Diluted Per Share Computations) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016
Numerator:
Net Income	$ 191,659	$ 279,173	$ 244,079	$ 420,825	$ 710,376	$ 972,468	$ 614,427	$ 878,530	$ 1,135,736	$ 3,175,801
Basic EPS:
Balance, beginning, shares				2,364,684				2,362,687	2,364,684	2,362,687
Unearned ESOP shares									(61,667)	(79,167)
Weighted average common shares issued during the period									4,465	5,975
Weighted average common shares purchased during the period									(879)	(10,395)
Weighted average ESOP shares earned during the period									6,267	6,586
Denominator for basic earnings per common shares - Weighted average common shares									2,312,870	2,285,686
Diluted EPS:
Weighted average dilutive effect of stock options									11,968	16,348
Denominator for diluted earnings per common shares - Weighted average common shares									2,324,838	2,302,034